Experiments are especially appropriate for research projects involving all of the following except: a. the testing of relatively limited and well-defined concepts and propositions b. hypothesis testing. c. descriptive research d. small-group interaction. e. explanatory research.

Descriptive research  

Explanation:

Descriptive research is a research method that describes the characteristics of a population that is being studied. It focuses on what phenomena rather than why phenomena. It describes the nature of the phenomena. It is also called observational research. It refers to the research question, descriptive analysis of the study.  

It can be of certain types such as:

Uses of such research areas:

Research methods are :

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